Oaven j



(No Model.)

0. J. MOGANN.

STP AND WASTE (300K.

V No. 300,386.

nected.

UeuTnn STaTns PnTnlvT OlVEN J. MCQAX, OF PULLMAN, ILLINOIS, ASSIGNOR OF ONF-HALF TO JOHN L. VANDERMARK, OF SAME PLACE.

STOP AND WASTE COCK.

SDECIFICATION forming part o1" Letters Patent No. 300,386, dated June 17, 1884.

Application filed November 14, 1883. (No model.)

To @ZZ whom, it 'may concern.-

Be it known that l, OWEN J. MCGANN, a citizen of the United States, residing in Pullnian,county of Oooleand State of Illinois, have invented certain new and useful Improvements in Waste and Stop Cocks, of which the following,` is a specification.

This invention relates to that class of stop and waste cocks which are more particularly designed for cutting,` off the water-supply in houses, and allowing` thewater in the house pipes and cool; to drain off after the supply i'rom the service-pipe has been cut off, and in which a pair of valves located externally to the shell ofthe cocks are arranged to respectively open into the service and the waste pipe. Heretofore a stop and waste cock of such character has been provided with a pair of valves arranged outside of the shell so as to work within the service and waste pipes, and having their stems running,` back into the shell, both connected with one and the same bent or cranked end ol' a spindle passing out through one side ot' the shell. Under such arrangement a partial rotation of the spindle causes one valve to opcnagainst the pressure in the service-pipe, and the remaining valve to simultaneously close the port at the junction of the shell and waste-pipe, and to admit of sue-h operation on the part of the valves. The two ports at the points of junction between the shell and the service and waste pipes are arranged diainetrioally opposite each other, while .the house-pipe or continuation ofthe servicepipo connects with the shell at a point intcrmediate ol the ends or sides of the latter,with which the service and waste pipes are conln a stop and waste cock of such construction the cranked endof the spindle moves in the arc of a small circle, when a partial rotation is given to the spindle ior the purpose olv` operating the valves, and hence the valvestenis, in place of reciprocating lengt tudinally in a line perpendicular to the planes ofthe valve-seats, are vibrated to a considerable extent during their reciproeation, and hence the valves prevented from seating accurately upon their respective seats. It will,

also bc observed that as the waste-pipe is designed to lead out ol' the building, and hence will be conveniently7 passed out from the latter at the point where the servicepipe enters, it becomes necessary under the construction just mentioned to bend the waste-pipe back and past the cock in order to bring it to the desired point of exit troni the building.

The object of my invention is to arrange the valves so that while working` in the service and waste pipes they sh all both open outwardly or away from the shell in one and the saine direction, and when thus operated have their stems reeipro'cated in planes parallel to each other and substantially perpendicular to the valve-seats, in which way the valves shall be more accurately seated, and also the points of 6 5 juncture between the shell and the service and waste pipes be made at one side of the shell, whereby the objectionable feature of bending round and v back the waste-pipe is avoided. To vsuch end, iu lieu ol'arranging the ports for these valves diainetrically opposite each other, or at opposite ends or sides of the shell, l arrange said ports which are opened and closed by the valves at one and the saine side of the shell, and in place of a crank-spindle l arrange within the shell an oscillal'orylever fulcruined between its ends, and at each end connecting` with one of the valvestems,whereby the slight curves described by ends of the lever during` its operation will not effect any noticeable devia-tion of the valve-stems l'rom lines perpendicular to the valve-seats.' Stop and waste cocks have also been provided with a support for the shell composed ol" two parts, one sockcted and allowed to turn in the other.

A. further object ol' my invention is to iniprove on such construction by pivoting the two members of the support together, so as to form a hinge-joint, whereby the cool; can be set at any required angle.

Figure lisa central vertical section through the valve-box and valves, with the valve-supporting lever andthe yleg,` or support in elevation, the waste-passage in this figure being shown closed and the supply-passage open. Fig. 2 is a similar view with the wastepassage open and the supply-passage closed.

A indicates a shell or case provided with a suitable inlet, B, at which point the shell can be connected with any main or supplyT pipe.

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The shell isalso provided with some suitable l E and F thereat are at one andthe same side outlet, C, at which point connection is made with the line of' pipe leading t0 the point of discharge, and it is also provided with an outlet or drain passage, D, through which water can be drained from the box and pipe leading therefrom when the supply is cut off. It will be understood that as herein constructed either one ofthe passages shown connecting with the lower portion of the box can serve either as an inlet or a waste passage, one of course, in

each instance, being used for one and the other passage for the remaining one of said purposes.

The valves E and F are respectively suspended from opposite ends of an oscillatory lever, G, that is mounted on a rock-shaft or spindle, H, journaled in the sides of the box or shell. .These lvalves both seat upwardly against their respective seats E and F', formed in the bottom ofthe shell, and are arranged so that when one valve is open the remaining valve shall be closed. This can be easily accomplished by varying the length of the stems I, by which the valves are hung or otherwise connected with the ends of the oscillatory lever. The connection between the valves and lever is such that while the lever oscillates ina vertical plane at right angles to' a fixed axis through the spindle the valves shall hang vertically and operate in planes parallel to each other, thereby insuring their accurately closing their allotted passages. The rock-shaft or spindle extends out from one side of the shell, and carries a weighted arm, K, that is employed for assisting the valve for the inlet closing with the pressure of fluid in the main or other source of supply. The weight L can be adjustably secured on this arm, whereby it can be shifted as occasion may require, and will serve to keep the Valve for the inlet closed, although no pressure should exist against the lvalve for the inlet. By turning the spindle either by a handleor by a pull-rod or wire connected with a crank-arm on the spindle, the lever can be oscillated about the axis of the spindle, and hence one valve opened and the other closed, so as to out off the supply and open the drain-passage, or close the drainpassage and open the supply-passage, according to the direction in which the spindle is turned.

From the foregoing it will be seen that the shell is adapted to constitute a joint in the service-pipe, and also to be connected with the wastepipe-as, for instance, while one portion of the service-'pipe connects with the shell at the inlet-point B, the remaining portion of the service-pipe, or the house-pipe, as it may be called, in contradistinction to the first said vpart of the service-pipe, connects with the shell'at its outlet-point C; also, that the waste-pipe connects with the shell at the waste-outlet point D, which is at the same side of the shell as the inlet B, whereby the two ports for the valves and the valve-seats of the shell, with the valves arranged to open outwardly, and in one and the same direction from the shell, with respectl to whichthe valves are externally located, but working, however, in the service and waste pipes, which can be coupled with-screw-necks providedon the shell for such purpose. As the valves both open away and in one and the same direction from seats at or in one side of the shell or casing, one of the valve-stems is made of unequal length, so that when one valve closes with the pressure in the servicepipe the remaining valve for the waste-pipe shall open with the pressurein the shell, and, conversely, that when the valve for the wastepipes closes the valve for the service-pipe shall open.

The support for the shell consists of a jointed leg, M,`having a fiat foot or base, M', adapted to be secured either to a floor, wall, or other suitable'supporting medium. This leg is provided with any suitable hingejoint, O, formed by pivoting together the meeting ends of the two members of the support, one'of said members being provided at one end with a screw-threaded shank capable of being fitted in a screw-threaded socket, I), in the shell. The base of this leg-piece has screw-holes (shown in dotted lines, Fig. 2) for bolts or screws employed in securing it to a wall or floor, and the part of this leg thus provided with a base or foot can be turned up, as indicated by dotted lines, so that the base can be secured to a wall when desired. Any suitable means could be provided for locking the sections of the leg together at the joint, so as to make the leg rigid after it has been bent at an. angle 5 or the leg can be used without such locking means, if preferred.'

It will be understood that my improved stop and waste cock could be used for steam as well as for water, the waste-passage where the cockl is used for steam being used either for carrying off the water of' condensation or for clearing out the pipes and cock.

I have herein shown a conical form of valve, but do not confine myself to such shape, or to any particular material, the, form and material of the valves being in practice such as may be deemed best suited for the purpose for which the valves are employed.

Heretofore in balanced valves for boiler-feeders and steam-traps two valves working simultaneously in opposite directions have had their stems connected with the ends of an oscillatory lever common to both valves. In such instances, however, the valve-seats have been provided in a partition running centrally through the shell or casing, so as to divide the latter into two chambers, and the valves have been so arranged that one valve opens away from one side and the other valve opens away from the opposite side of said partition, whereby the valves open in different directions, whereas under my construction th e valves both IOS IIO

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open away and in the seme direction from one side of the shell or casing, one valve opening against the pressure in the service-pipe and the other valve opening with the pressure `within the shell at a time When the iirst valve closes with the pressure in the service-pipe.

Having described niy invention, what I claim, and desire to secure by Letters Patent,

,1. In a stop and Waste cook, the shell constructed to connect with the service and Waste pipes, and having two of its ports and valve` seats thereat at one of its sides, in combination with a pair oi' valves respectively opening into the service and Waste pipes, and having their stems respectively connected with opposite ends of an oscillatory lever, which said valves are arranged so that While susceptrible of moving` in unison to simultaneously open one and close the other of said ports they shall alternately open in one and the saine direction awa f l'roin their seats, and ont- Wardly i'roln the shell, substantially as described.

2. In a stop and Waste cock, the shell constructed to constitute a joint in the servicepipe, and provided with a valve apparatus i'oropening` and closing its ports, in combination with a jointed support i'or the shell, consisting` of a leg composed of two members, one being connected With the shell, the other provided with a perforated hase-plate.,` and both being pivoted together to forni a hingejoint in the leg7 whereby the shell can be set at various angles, substantially as described.

OWEN J. MCGANN.

lVitnesses: y

W'. XV. ELLIOTT, Jxo. G. ELLIOTT, 

